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VOLUME 30 (1979) | ISSUE 11 | PAGE 726
The origin of baryon asymmetry in the universe
A mechanism for generation of the baryon asymmetry in the universe, which is based on nonconservation of the baryon number, on CP noninvariant decay of scalar particles, and on the violation of thermodynamic equilibrium, is developed in the framework of unified gauge theories. It is shown that in the SO (10) model the proposed mechanism can explain the observed asymmetry. A modification of the Georgi-Glashow SU (5) model, which also explains the asymmetry, is proposed.